Home / 1,191,706.56-1,787,621.40-392,955.84

Finding the Fourth Proportional to 1,191,706.56, 1,787,621.40 and 392,955.84

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Solution

The fourth proportional to 1,191,706.56, 1,787,621.40 and 392,955.84 is: 589,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,706.56 : 1,787,621.40 = 392,955.84 : x
  2. Step 2: Convert to fraction form
    1,191,706.56/1,787,621.40 = 392,955.84/x
  3. Step 3: Cross multiply
    1,191,706.56x = 1,787,621.40 × 392,955.84
  4. Step 4: Simplify right side
    1,191,706.56x = 702,456,268,838.98
  5. Step 5: Solve for x
    x = 702,456,268,838.98/1,191,706.56
  6. Step 6: Final answer
    x = 589,454.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.